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Re: [PATCH] SCSI: fix the return type of the remove() method in sgiwd93.

To: Kay Sievers <kay.sievers@vrfy.org>
Subject: Re: [PATCH] SCSI: fix the return type of the remove() method in sgiwd93.c
From: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: Fri, 02 Jan 2009 10:25:10 -0600
Cc: Vorobiev Dmitri <dmitri.vorobiev@movial.fi>, linux-scsi@vger.kernel.org, linux-mips@linux-mips.org, Greg KH <greg@kroah.com>
In-reply-to: <1228340496.6977.19.camel@nga>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <1227140357-29921-1-git-send-email-dmitri.vorobiev@movial.fi> <ac3eb2510812030952k5b57a9c7qb68e3684de170d75@mail.gmail.com> <1228327306.5551.36.camel@localhost.localdomain> <35647.88.114.226.209.1228329736.squirrel@webmail.movial.fi> <ac3eb2510812031051k9d9312bma119bfae35afc230@mail.gmail.com> <1228330800.5551.58.camel@localhost.localdomain> <ac3eb2510812031229l51912169o3e96346ed51c48f0@mail.gmail.com> <1228337529.5551.72.camel@localhost.localdomain> <ac3eb2510812031259v1a4ebe25tc841daaa2fe5a722@mail.gmail.com> <1228338142.5551.77.camel@localhost.localdomain> <ac3eb2510812031328x38559660rcc13db195e01ea15@mail.gmail.com> <1228340025.5551.87.camel@localhost.localdomain> <1228340496.6977.19.camel@nga>
Sender: linux-mips-bounce@linux-mips.org
On Wed, 2008-12-03 at 22:41 +0100, Kay Sievers wrote:
> On Wed, 2008-12-03 at 15:33 -0600, James Bottomley wrote:
> > Sure ... can you send a copy of it rather than me having to pull it out
> > of your git tree.
> 
> Sure, here is it. These are the files I could compile-test. I have
> another patch, which touches the stuff I couldn't compile, I will send
> that in the next days.
> 
> Thanks,
> Kay
> 
> 
> From: Kay Sievers <kay.sievers@vrfy.org>
> Subject: SCSI: struct device - replace bus_id with dev_name(), dev_set_name()
> 
> CC: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
> ---
>  drivers/misc/enclosure.c            |    8 +++---
>  drivers/scsi/aic94xx/aic94xx_tmf.c  |    2 -
>  drivers/scsi/hosts.c                |    6 +----
>  drivers/scsi/ipr.c                  |    2 -
>  drivers/scsi/ipr.h                  |    2 -
>  drivers/scsi/libsas/sas_discover.c  |    2 -
>  drivers/scsi/libsas/sas_dump.c      |    2 -
>  drivers/scsi/libsas/sas_port.c      |    2 -
>  drivers/scsi/raid_class.c           |    3 --
>  drivers/scsi/scsi_debug.c           |    4 +--
>  drivers/scsi/scsi_ioctl.c           |    3 +-
>  drivers/scsi/scsi_scan.c            |    7 ++----
>  drivers/scsi/scsi_sysfs.c           |   12 ++++------
>  drivers/scsi/scsi_transport_fc.c    |   18 +++++++--------
>  drivers/scsi/scsi_transport_iscsi.c |   11 +++------
>  drivers/scsi/scsi_transport_sas.c   |   42 
> ++++++++++++++++++------------------
>  drivers/scsi/scsi_transport_srp.c   |    2 -
>  drivers/scsi/sd.c                   |    2 -
>  drivers/scsi/ses.c                  |    2 -
>  19 files changed, 63 insertions(+), 69 deletions(-)

Sorry, dropped the ball a bit on this.  I've attached the updated
version: it copes with the legacy 20 character copy in the ioctl by
brute force and also adds several other dev->bus_id -> dev_name(dev)
conversions.

James

---

From: Kay Sievers <kay.sievers@vrfy.org>
Date: Wed, 3 Dec 2008 22:41:36 +0100
Subject: [SCSI] struct device - replace bus_id with dev_name(), dev_set_name()

[jejb: limit ioctl to returning 20 characters to avoid overrun
       on long device names and add a few more conversions]
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/misc/enclosure.c            |    8 +++---
 drivers/scsi/NCR_D700.c             |    2 +-
 drivers/scsi/advansys.c             |    2 +-
 drivers/scsi/aic94xx/aic94xx_tmf.c  |    2 +-
 drivers/scsi/hosts.c                |    6 +---
 drivers/scsi/ibmvscsi/ibmvfc.c      |    4 +-
 drivers/scsi/ipr.c                  |    2 +-
 drivers/scsi/ipr.h                  |    2 +-
 drivers/scsi/lasi700.c              |    3 +-
 drivers/scsi/libsas/sas_discover.c  |    2 +-
 drivers/scsi/libsas/sas_dump.c      |    2 +-
 drivers/scsi/libsas/sas_port.c      |    2 +-
 drivers/scsi/raid_class.c           |    3 +-
 drivers/scsi/scsi_debug.c           |    4 +-
 drivers/scsi/scsi_ioctl.c           |    9 ++++++-
 drivers/scsi/scsi_scan.c            |    7 ++---
 drivers/scsi/scsi_sysfs.c           |   12 ++++-----
 drivers/scsi/scsi_transport_fc.c    |   18 +++++++-------
 drivers/scsi/scsi_transport_iscsi.c |   11 +++-----
 drivers/scsi/scsi_transport_sas.c   |   42 ++++++++++++++++++----------------
 drivers/scsi/scsi_transport_srp.c   |    2 +-
 drivers/scsi/sd.c                   |    2 +-
 drivers/scsi/ses.c                  |    2 +-
 drivers/scsi/sim710.c               |    4 +-
 drivers/scsi/sni_53c710.c           |    3 +-
 drivers/scsi/zalon.c                |    4 +-
 26 files changed, 79 insertions(+), 81 deletions(-)

diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index 0736cff..3cf61ec 100644
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -119,7 +119,7 @@ enclosure_register(struct device *dev, const char *name, 
int components,
        edev->edev.class = &enclosure_class;
        edev->edev.parent = get_device(dev);
        edev->cb = cb;
-       snprintf(edev->edev.bus_id, BUS_ID_SIZE, "%s", name);
+       dev_set_name(&edev->edev, name);
        err = device_register(&edev->edev);
        if (err)
                goto err;
@@ -170,7 +170,7 @@ EXPORT_SYMBOL_GPL(enclosure_unregister);
 static void enclosure_link_name(struct enclosure_component *cdev, char *name)
 {
        strcpy(name, "enclosure_device:");
-       strcat(name, cdev->cdev.bus_id);
+       strcat(name, dev_name(&cdev->cdev));
 }
 
 static void enclosure_remove_links(struct enclosure_component *cdev)
@@ -256,9 +256,9 @@ enclosure_component_register(struct enclosure_device *edev,
        cdev = &ecomp->cdev;
        cdev->parent = get_device(&edev->edev);
        if (name)
-               snprintf(cdev->bus_id, BUS_ID_SIZE, "%s", name);
+               dev_set_name(cdev, name);
        else
-               snprintf(cdev->bus_id, BUS_ID_SIZE, "%u", number);
+               dev_set_name(cdev, "%u", number);
 
        cdev->release = enclosure_component_release;
        cdev->groups = enclosure_groups;
diff --git a/drivers/scsi/NCR_D700.c b/drivers/scsi/NCR_D700.c
index 9e64b21..c889d84 100644
--- a/drivers/scsi/NCR_D700.c
+++ b/drivers/scsi/NCR_D700.c
@@ -318,7 +318,7 @@ NCR_D700_probe(struct device *dev)
                return -ENOMEM;
 
        p->dev = dev;
-       snprintf(p->name, sizeof(p->name), "D700(%s)", dev->bus_id);
+       snprintf(p->name, sizeof(p->name), "D700(%s)", dev_name(dev));
        if (request_irq(irq, NCR_D700_intr, IRQF_SHARED, p->name, p)) {
                printk(KERN_ERR "D700: request_irq failed\n");
                kfree(p);
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 2f60272..7507d8b 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -2527,7 +2527,7 @@ static void asc_prt_scsi_host(struct Scsi_Host *s)
 {
        struct asc_board *boardp = shost_priv(s);
 
-       printk("Scsi_Host at addr 0x%p, device %s\n", s, boardp->dev->bus_id);
+       printk("Scsi_Host at addr 0x%p, device %s\n", s, dev_name(boardp->dev));
        printk(" host_busy %u, host_no %d, last_reset %d,\n",
               s->host_busy, s->host_no, (unsigned)s->last_reset);
 
diff --git a/drivers/scsi/aic94xx/aic94xx_tmf.c 
b/drivers/scsi/aic94xx/aic94xx_tmf.c
index d4640ef..78eb86f 100644
--- a/drivers/scsi/aic94xx/aic94xx_tmf.c
+++ b/drivers/scsi/aic94xx/aic94xx_tmf.c
@@ -189,7 +189,7 @@ int asd_I_T_nexus_reset(struct domain_device *dev)
        asd_clear_nexus_I_T(dev, NEXUS_PHASE_PRE);
        /* send a hard reset */
        ASD_DPRINTK("sending %s reset to %s\n",
-                   reset_type ? "hard" : "soft", phy->dev.bus_id);
+                   reset_type ? "hard" : "soft", dev_name(&phy->dev));
        res = sas_phy_reset(phy, reset_type);
        if (res == TMF_RESP_FUNC_COMPLETE) {
                /* wait for the maximum settle time */
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 3fdbb13..aa670a1 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -388,8 +388,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template 
*sht, int privsize)
                shost->dma_boundary = 0xffffffff;
 
        device_initialize(&shost->shost_gendev);
-       snprintf(shost->shost_gendev.bus_id, BUS_ID_SIZE, "host%d",
-               shost->host_no);
+       dev_set_name(&shost->shost_gendev, "host%d", shost->host_no);
 #ifndef CONFIG_SYSFS_DEPRECATED
        shost->shost_gendev.bus = &scsi_bus_type;
 #endif
@@ -398,8 +397,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template 
*sht, int privsize)
        device_initialize(&shost->shost_dev);
        shost->shost_dev.parent = &shost->shost_gendev;
        shost->shost_dev.class = &shost_class;
-       snprintf(shost->shost_dev.bus_id, BUS_ID_SIZE, "host%d",
-                shost->host_no);
+       dev_set_name(&shost->shost_dev, "host%d", shost->host_no);
        shost->shost_dev.groups = scsi_sysfs_shost_attr_groups;
 
        shost->ehandler = kthread_run(scsi_error_handler, shost,
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 44f202f..253414e 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -1145,10 +1145,10 @@ static void ibmvfc_set_login_info(struct ibmvfc_host 
*vhost)
        login_info->async.len = vhost->async_crq.size * 
sizeof(*vhost->async_crq.msgs);
        strncpy(login_info->partition_name, vhost->partition_name, 
IBMVFC_MAX_NAME);
        strncpy(login_info->device_name,
-               vhost->host->shost_gendev.bus_id, IBMVFC_MAX_NAME);
+               dev_name(&vhost->host->shost_gendev), IBMVFC_MAX_NAME);
 
        location = of_get_property(of_node, "ibm,loc-code", NULL);
-       location = location ? location : vhost->dev->bus_id;
+       location = location ? location : dev_name(vhost->dev);
        strncpy(login_info->drc_name, location, IBMVFC_MAX_NAME);
 }
 
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 0edfb1f..841f460 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -2184,7 +2184,7 @@ static void ipr_dump_location_data(struct ipr_ioa_cfg 
*ioa_cfg,
                sizeof(struct ipr_dump_entry_header);
        driver_dump->location_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII;
        driver_dump->location_entry.hdr.id = IPR_DUMP_LOCATION_ID;
-       strcpy(driver_dump->location_entry.location, ioa_cfg->pdev->dev.bus_id);
+       strcpy(driver_dump->location_entry.location, 
dev_name(&ioa_cfg->pdev->dev));
        driver_dump->hdr.num_entries++;
 }
 
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 5945914..8f872f8 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -1272,7 +1272,7 @@ struct ipr_dump_entry_header {
 
 struct ipr_dump_location_entry {
        struct ipr_dump_entry_header hdr;
-       u8 location[BUS_ID_SIZE];
+       u8 location[20];
 }__attribute__((packed));
 
 struct ipr_dump_trace_entry {
diff --git a/drivers/scsi/lasi700.c b/drivers/scsi/lasi700.c
index 3126824..4a4e695 100644
--- a/drivers/scsi/lasi700.c
+++ b/drivers/scsi/lasi700.c
@@ -103,8 +103,7 @@ lasi700_probe(struct parisc_device *dev)
 
        hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
        if (!hostdata) {
-               printk(KERN_ERR "%s: Failed to allocate host data\n",
-                      dev->dev.bus_id);
+               dev_printk(KERN_ERR, dev, "Failed to allocate host data\n");
                return -ENOMEM;
        }
 
diff --git a/drivers/scsi/libsas/sas_discover.c 
b/drivers/scsi/libsas/sas_discover.c
index 709a6f7..facc5bf 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -169,7 +169,7 @@ int sas_notify_lldd_dev_found(struct domain_device *dev)
                if (res) {
                        printk("sas: driver on pcidev %s cannot handle "
                               "device %llx, error:%d\n",
-                              sas_ha->dev->bus_id,
+                              dev_name(sas_ha->dev),
                               SAS_ADDR(dev->sas_addr), res);
                }
        }
diff --git a/drivers/scsi/libsas/sas_dump.c b/drivers/scsi/libsas/sas_dump.c
index bf34a23..c17c250 100644
--- a/drivers/scsi/libsas/sas_dump.c
+++ b/drivers/scsi/libsas/sas_dump.c
@@ -56,7 +56,7 @@ void sas_dprint_phye(int phyid, enum phy_event pe)
 
 void sas_dprint_hae(struct sas_ha_struct *sas_ha, enum ha_event he)
 {
-       SAS_DPRINTK("ha %s: %s event\n", sas_ha->dev->bus_id,
+       SAS_DPRINTK("ha %s: %s event\n", dev_name(sas_ha->dev),
                    sas_hae_str[he]);
 }
 
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c
index 139935a..e6ac59c 100644
--- a/drivers/scsi/libsas/sas_port.c
+++ b/drivers/scsi/libsas/sas_port.c
@@ -113,7 +113,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
        sas_port_add_phy(port->port, phy->phy);
 
        SAS_DPRINTK("%s added to %s, phy_mask:0x%x (%16llx)\n",
-                   phy->phy->dev.bus_id,port->port->dev.bus_id,
+                   dev_name(&phy->phy->dev), dev_name(&port->port->dev),
                    port->phy_mask,
                    SAS_ADDR(port->attached_sas_addr));
 
diff --git a/drivers/scsi/raid_class.c b/drivers/scsi/raid_class.c
index 913a931..8e5c169 100644
--- a/drivers/scsi/raid_class.c
+++ b/drivers/scsi/raid_class.c
@@ -237,8 +237,7 @@ int raid_component_add(struct raid_template *r,struct 
device *raid_dev,
        rc->dev.parent = get_device(component_dev);
        rc->num = rd->component_count++;
 
-       snprintf(rc->dev.bus_id, sizeof(rc->dev.bus_id),
-                "component-%d", rc->num);
+       dev_set_name(&rc->dev, "component-%d", rc->num);
        list_add_tail(&rc->node, &rd->component_list);
        rc->dev.class = &raid_class.class;
        err = device_add(&rc->dev);
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 27c633f..6eebd0b 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -2508,7 +2508,7 @@ static void pseudo_0_release(struct device *dev)
 }
 
 static struct device pseudo_primary = {
-       .bus_id         = "pseudo_0",
+       .init_name      = "pseudo_0",
        .release        = pseudo_0_release,
 };
 
@@ -2680,7 +2680,7 @@ static int sdebug_add_adapter(void)
         sdbg_host->dev.bus = &pseudo_lld_bus;
         sdbg_host->dev.parent = &pseudo_primary;
         sdbg_host->dev.release = &sdebug_release_adapter;
-        sprintf(sdbg_host->dev.bus_id, "adapter%d", scsi_debug_add_host);
+        dev_set_name(&sdbg_host->dev, "adapter%d", scsi_debug_add_host);
 
         error = device_register(&sdbg_host->dev);
 
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index 2ae4f8f..b98f763 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -167,10 +167,17 @@ EXPORT_SYMBOL(scsi_set_medium_removal);
 static int scsi_ioctl_get_pci(struct scsi_device *sdev, void __user *arg)
 {
        struct device *dev = scsi_get_device(sdev->host);
+       const char *name;
 
         if (!dev)
                return -ENXIO;
-        return copy_to_user(arg, dev->bus_id, sizeof(dev->bus_id))? -EFAULT: 0;
+
+       name = dev_name(dev);
+
+       /* compatibility with old ioctl which only returned
+        * 20 characters */
+        return copy_to_user(arg, name, min(strlen(name), (size_t)20))
+               ? -EFAULT: 0;
 }
 
 
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 18486b5..f8493f2 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -411,8 +411,7 @@ static struct scsi_target *scsi_alloc_target(struct device 
*parent,
        device_initialize(dev);
        starget->reap_ref = 1;
        dev->parent = get_device(parent);
-       sprintf(dev->bus_id, "target%d:%d:%d",
-               shost->host_no, channel, id);
+       dev_set_name(dev, "target%d:%d:%d", shost->host_no, channel, id);
 #ifndef CONFIG_SYSFS_DEPRECATED
        dev->bus = &scsi_bus_type;
 #endif
@@ -1021,7 +1020,7 @@ static int scsi_probe_and_add_lun(struct scsi_target 
*starget,
                if (rescan || !scsi_device_created(sdev)) {
                        SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO
                                "scsi scan: device exists on %s\n",
-                               sdev->sdev_gendev.bus_id));
+                               dev_name(&sdev->sdev_gendev)));
                        if (sdevp)
                                *sdevp = sdev;
                        else
@@ -1160,7 +1159,7 @@ static void scsi_sequential_lun_scan(struct scsi_target 
*starget,
        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
 
        SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO "scsi scan: Sequential scan of"
-                                   "%s\n", starget->dev.bus_id));
+                                   "%s\n", dev_name(&starget->dev)));
 
        max_dev_lun = min(max_scsi_luns, shost->max_lun);
        /*
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 93c28f3..da63802 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1079,16 +1079,14 @@ void scsi_sysfs_device_initialize(struct scsi_device 
*sdev)
        device_initialize(&sdev->sdev_gendev);
        sdev->sdev_gendev.bus = &scsi_bus_type;
        sdev->sdev_gendev.type = &scsi_dev_type;
-       sprintf(sdev->sdev_gendev.bus_id,"%d:%d:%d:%d",
-               sdev->host->host_no, sdev->channel, sdev->id,
-               sdev->lun);
-       
+       dev_set_name(&sdev->sdev_gendev, "%d:%d:%d:%d",
+                    sdev->host->host_no, sdev->channel, sdev->id, sdev->lun);
+
        device_initialize(&sdev->sdev_dev);
        sdev->sdev_dev.parent = &sdev->sdev_gendev;
        sdev->sdev_dev.class = &sdev_class;
-       snprintf(sdev->sdev_dev.bus_id, BUS_ID_SIZE,
-                "%d:%d:%d:%d", sdev->host->host_no,
-                sdev->channel, sdev->id, sdev->lun);
+       dev_set_name(&sdev->sdev_dev, "%d:%d:%d:%d",
+                    sdev->host->host_no, sdev->channel, sdev->id, sdev->lun);
        sdev->scsi_level = starget->scsi_level;
        transport_setup_device(&sdev->sdev_gendev);
        spin_lock_irqsave(shost->host_lock, flags);
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 062304d..dcef787 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -2486,8 +2486,8 @@ fc_rport_create(struct Scsi_Host *shost, int channel,
        device_initialize(dev);                 /* takes self reference */
        dev->parent = get_device(&shost->shost_gendev); /* parent reference */
        dev->release = fc_rport_dev_release;
-       sprintf(dev->bus_id, "rport-%d:%d-%d",
-               shost->host_no, channel, rport->number);
+       dev_set_name(dev, "rport-%d:%d-%d",
+                    shost->host_no, channel, rport->number);
        transport_setup_device(dev);
 
        error = device_add(dev);
@@ -3164,8 +3164,8 @@ fc_vport_setup(struct Scsi_Host *shost, int channel, 
struct device *pdev,
        device_initialize(dev);                 /* takes self reference */
        dev->parent = get_device(pdev);         /* takes parent reference */
        dev->release = fc_vport_dev_release;
-       sprintf(dev->bus_id, "vport-%d:%d-%d",
-               shost->host_no, channel, vport->number);
+       dev_set_name(dev, "vport-%d:%d-%d",
+                    shost->host_no, channel, vport->number);
        transport_setup_device(dev);
 
        error = device_add(dev);
@@ -3188,19 +3188,19 @@ fc_vport_setup(struct Scsi_Host *shost, int channel, 
struct device *pdev,
         */
        if (pdev != &shost->shost_gendev) {
                error = sysfs_create_link(&shost->shost_gendev.kobj,
-                                &dev->kobj, dev->bus_id);
+                                &dev->kobj, dev_name(dev));
                if (error)
                        printk(KERN_ERR
                                "%s: Cannot create vport symlinks for "
                                "%s, err=%d\n",
-                               __func__, dev->bus_id, error);
+                               __func__, dev_name(dev), error);
        }
        spin_lock_irqsave(shost->host_lock, flags);
        vport->flags &= ~FC_VPORT_CREATING;
        spin_unlock_irqrestore(shost->host_lock, flags);
 
        dev_printk(KERN_NOTICE, pdev,
-                       "%s created via shost%d channel %d\n", dev->bus_id,
+                       "%s created via shost%d channel %d\n", dev_name(dev),
                        shost->host_no, channel);
 
        *ret_vport = vport;
@@ -3297,7 +3297,7 @@ fc_vport_terminate(struct fc_vport *vport)
                return stat;
 
        if (dev->parent != &shost->shost_gendev)
-               sysfs_remove_link(&shost->shost_gendev.kobj, dev->bus_id);
+               sysfs_remove_link(&shost->shost_gendev.kobj, dev_name(dev));
        transport_remove_device(dev);
        device_del(dev);
        transport_destroy_device(dev);
@@ -3329,7 +3329,7 @@ fc_vport_sched_delete(struct work_struct *work)
                dev_printk(KERN_ERR, vport->dev.parent,
                        "%s: %s could not be deleted created via "
                        "shost%d channel %d - error %d\n", __func__,
-                       vport->dev.bus_id, vport->shost->host_no,
+                       dev_name(&vport->dev), vport->shost->host_no,
                        vport->channel, stat);
 }
 
diff --git a/drivers/scsi/scsi_transport_iscsi.c 
b/drivers/scsi/scsi_transport_iscsi.c
index 4a803eb..75c9297 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -187,8 +187,7 @@ iscsi_create_endpoint(int dd_size)
 
        ep->id = id;
        ep->dev.class = &iscsi_endpoint_class;
-       snprintf(ep->dev.bus_id, BUS_ID_SIZE, "ep-%llu",
-                (unsigned long long) id);
+       dev_set_name(&ep->dev, "ep-%llu", (unsigned long long) id);
        err = device_register(&ep->dev);
         if (err)
                 goto free_ep;
@@ -724,8 +723,7 @@ int iscsi_add_session(struct iscsi_cls_session *session, 
unsigned int target_id)
        }
        session->target_id = id;
 
-       snprintf(session->dev.bus_id, BUS_ID_SIZE, "session%u",
-                session->sid);
+       dev_set_name(&session->dev, "session%u", session->sid);
        err = device_add(&session->dev);
        if (err) {
                iscsi_cls_session_printk(KERN_ERR, session,
@@ -898,8 +896,7 @@ iscsi_create_conn(struct iscsi_cls_session *session, int 
dd_size, uint32_t cid)
        if (!get_device(&session->dev))
                goto free_conn;
 
-       snprintf(conn->dev.bus_id, BUS_ID_SIZE, "connection%d:%u",
-                session->sid, cid);
+       dev_set_name(&conn->dev, "connection%d:%u", session->sid, cid);
        conn->dev.parent = &session->dev;
        conn->dev.release = iscsi_conn_release;
        err = device_register(&conn->dev);
@@ -1816,7 +1813,7 @@ iscsi_register_transport(struct iscsi_transport *tt)
                priv->t.create_work_queue = 1;
 
        priv->dev.class = &iscsi_transport_class;
-       snprintf(priv->dev.bus_id, BUS_ID_SIZE, "%s", tt->name);
+       dev_set_name(&priv->dev, "%s", tt->name);
        err = device_register(&priv->dev);
        if (err)
                goto free_priv;
diff --git a/drivers/scsi/scsi_transport_sas.c 
b/drivers/scsi/scsi_transport_sas.c
index 3666093..50988cb 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -207,7 +207,7 @@ static int sas_bsg_initialize(struct Scsi_Host *shost, 
struct sas_rphy *rphy)
        struct request_queue *q;
        int error;
        struct device *dev;
-       char namebuf[BUS_ID_SIZE];
+       char namebuf[20];
        const char *name;
        void (*release)(struct device *);
 
@@ -219,7 +219,7 @@ static int sas_bsg_initialize(struct Scsi_Host *shost, 
struct sas_rphy *rphy)
        if (rphy) {
                q = blk_init_queue(sas_non_host_smp_request, NULL);
                dev = &rphy->dev;
-               name = dev->bus_id;
+               name = dev_name(dev);
                release = NULL;
        } else {
                q = blk_init_queue(sas_host_smp_request, NULL);
@@ -629,10 +629,10 @@ struct sas_phy *sas_phy_alloc(struct device *parent, int 
number)
        INIT_LIST_HEAD(&phy->port_siblings);
        if (scsi_is_sas_expander_device(parent)) {
                struct sas_rphy *rphy = dev_to_rphy(parent);
-               sprintf(phy->dev.bus_id, "phy-%d:%d:%d", shost->host_no,
+               dev_set_name(&phy->dev, "phy-%d:%d:%d", shost->host_no,
                        rphy->scsi_target_id, number);
        } else
-               sprintf(phy->dev.bus_id, "phy-%d:%d", shost->host_no, number);
+               dev_set_name(&phy->dev, "phy-%d:%d", shost->host_no, number);
 
        transport_setup_device(&phy->dev);
 
@@ -770,7 +770,7 @@ static void sas_port_create_link(struct sas_port *port,
        int res;
 
        res = sysfs_create_link(&port->dev.kobj, &phy->dev.kobj,
-                               phy->dev.bus_id);
+                               dev_name(&phy->dev));
        if (res)
                goto err;
        res = sysfs_create_link(&phy->dev.kobj, &port->dev.kobj, "port");
@@ -785,7 +785,7 @@ err:
 static void sas_port_delete_link(struct sas_port *port,
                                 struct sas_phy *phy)
 {
-       sysfs_remove_link(&port->dev.kobj, phy->dev.bus_id);
+       sysfs_remove_link(&port->dev.kobj, dev_name(&phy->dev));
        sysfs_remove_link(&phy->dev.kobj, "port");
 }
 
@@ -821,11 +821,11 @@ struct sas_port *sas_port_alloc(struct device *parent, 
int port_id)
 
        if (scsi_is_sas_expander_device(parent)) {
                struct sas_rphy *rphy = dev_to_rphy(parent);
-               sprintf(port->dev.bus_id, "port-%d:%d:%d", shost->host_no,
-                       rphy->scsi_target_id, port->port_identifier);
+               dev_set_name(&port->dev, "port-%d:%d:%d", shost->host_no,
+                            rphy->scsi_target_id, port->port_identifier);
        } else
-               sprintf(port->dev.bus_id, "port-%d:%d", shost->host_no,
-                       port->port_identifier);
+               dev_set_name(&port->dev, "port-%d:%d", shost->host_no,
+                            port->port_identifier);
 
        transport_setup_device(&port->dev);
 
@@ -935,7 +935,7 @@ void sas_port_delete(struct sas_port *port)
        if (port->is_backlink) {
                struct device *parent = port->dev.parent;
 
-               sysfs_remove_link(&port->dev.kobj, parent->bus_id);
+               sysfs_remove_link(&port->dev.kobj, dev_name(parent));
                port->is_backlink = 0;
        }
 
@@ -984,7 +984,8 @@ void sas_port_add_phy(struct sas_port *port, struct sas_phy 
*phy)
                /* If this trips, you added a phy that was already
                 * part of a different port */
                if (unlikely(tmp != phy)) {
-                       dev_printk(KERN_ERR, &port->dev, "trying to add phy %s 
fails: it's already part of another port\n", phy->dev.bus_id);
+                       dev_printk(KERN_ERR, &port->dev, "trying to add phy %s 
fails: it's already part of another port\n",
+                                  dev_name(&phy->dev));
                        BUG();
                }
        } else {
@@ -1023,7 +1024,7 @@ void sas_port_mark_backlink(struct sas_port *port)
                return;
        port->is_backlink = 1;
        res = sysfs_create_link(&port->dev.kobj, &parent->kobj,
-                               parent->bus_id);
+                               dev_name(parent));
        if (res)
                goto err;
        return;
@@ -1367,11 +1368,12 @@ struct sas_rphy *sas_end_device_alloc(struct sas_port 
*parent)
        rdev->rphy.dev.release = sas_end_device_release;
        if (scsi_is_sas_expander_device(parent->dev.parent)) {
                struct sas_rphy *rphy = dev_to_rphy(parent->dev.parent);
-               sprintf(rdev->rphy.dev.bus_id, "end_device-%d:%d:%d",
-                       shost->host_no, rphy->scsi_target_id, 
parent->port_identifier);
+               dev_set_name(&rdev->rphy.dev, "end_device-%d:%d:%d",
+                            shost->host_no, rphy->scsi_target_id,
+                            parent->port_identifier);
        } else
-               sprintf(rdev->rphy.dev.bus_id, "end_device-%d:%d",
-                       shost->host_no, parent->port_identifier);
+               dev_set_name(&rdev->rphy.dev, "end_device-%d:%d",
+                            shost->host_no, parent->port_identifier);
        rdev->rphy.identify.device_type = SAS_END_DEVICE;
        sas_rphy_initialize(&rdev->rphy);
        transport_setup_device(&rdev->rphy.dev);
@@ -1411,8 +1413,8 @@ struct sas_rphy *sas_expander_alloc(struct sas_port 
*parent,
        mutex_lock(&sas_host->lock);
        rdev->rphy.scsi_target_id = sas_host->next_expander_id++;
        mutex_unlock(&sas_host->lock);
-       sprintf(rdev->rphy.dev.bus_id, "expander-%d:%d",
-               shost->host_no, rdev->rphy.scsi_target_id);
+       dev_set_name(&rdev->rphy.dev, "expander-%d:%d",
+                    shost->host_no, rdev->rphy.scsi_target_id);
        rdev->rphy.identify.device_type = type;
        sas_rphy_initialize(&rdev->rphy);
        transport_setup_device(&rdev->rphy.dev);
@@ -1445,7 +1447,7 @@ int sas_rphy_add(struct sas_rphy *rphy)
        transport_add_device(&rphy->dev);
        transport_configure_device(&rphy->dev);
        if (sas_bsg_initialize(shost, rphy))
-               printk("fail to a bsg device %s\n", rphy->dev.bus_id);
+               printk("fail to a bsg device %s\n", dev_name(&rphy->dev));
 
 
        mutex_lock(&sas_host->lock);
diff --git a/drivers/scsi/scsi_transport_srp.c 
b/drivers/scsi/scsi_transport_srp.c
index 8a7af95..21a045e 100644
--- a/drivers/scsi/scsi_transport_srp.c
+++ b/drivers/scsi/scsi_transport_srp.c
@@ -212,7 +212,7 @@ struct srp_rport *srp_rport_add(struct Scsi_Host *shost,
        rport->roles = ids->roles;
 
        id = atomic_inc_return(&to_srp_host_attrs(shost)->next_port_id);
-       sprintf(rport->dev.bus_id, "port-%d:%d", shost->host_no, id);
+       dev_set_name(&rport->dev, "port-%d:%d", shost->host_no, id);
 
        transport_setup_device(&rport->dev);
 
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 62b28d5..835aebf 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1876,7 +1876,7 @@ static int sd_probe(struct device *dev)
        device_initialize(&sdkp->dev);
        sdkp->dev.parent = &sdp->sdev_gendev;
        sdkp->dev.class = &sd_disk_class;
-       strncpy(sdkp->dev.bus_id, sdp->sdev_gendev.bus_id, BUS_ID_SIZE);
+       dev_set_name(&sdkp->dev, dev_name(&sdp->sdev_gendev));
 
        if (device_add(&sdkp->dev))
                goto out_free_index;
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index 7f0df29..e946e05 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -526,7 +526,7 @@ static int ses_intf_add(struct device *cdev,
        if (!scomp)
                goto err_free;
 
-       edev = enclosure_register(cdev->parent, sdev->sdev_gendev.bus_id,
+       edev = enclosure_register(cdev->parent, dev_name(&sdev->sdev_gendev),
                                  components, &ses_enclosure_callbacks);
        if (IS_ERR(edev)) {
                err = PTR_ERR(edev);
diff --git a/drivers/scsi/sim710.c b/drivers/scsi/sim710.c
index d63d229..6dc8b84 100644
--- a/drivers/scsi/sim710.c
+++ b/drivers/scsi/sim710.c
@@ -102,7 +102,7 @@ sim710_probe_common(struct device *dev, unsigned long 
base_addr,
        struct NCR_700_Host_Parameters *hostdata =
                kzalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
 
-       printk(KERN_NOTICE "sim710: %s\n", dev->bus_id);
+       printk(KERN_NOTICE "sim710: %s\n", dev_name(dev));
        printk(KERN_NOTICE "sim710: irq = %d, clock = %d, base = 0x%lx, scsi_id 
= %d\n",
               irq, clock, base_addr, scsi_id);
 
@@ -305,7 +305,7 @@ sim710_eisa_probe(struct device *dev)
                scsi_id = ffs(val) - 1;
 
                if(scsi_id > 7 || (val & ~(1<<scsi_id)) != 0) {
-                       printk(KERN_ERR "sim710.c, EISA card %s has incorrect 
scsi_id, setting to 7\n", dev->bus_id);
+                       printk(KERN_ERR "sim710.c, EISA card %s has incorrect 
scsi_id, setting to 7\n", dev_name(dev));
                        scsi_id = 7;
                }
        } else {
diff --git a/drivers/scsi/sni_53c710.c b/drivers/scsi/sni_53c710.c
index 2bbef4c..77f0b2c 100644
--- a/drivers/scsi/sni_53c710.c
+++ b/drivers/scsi/sni_53c710.c
@@ -78,8 +78,7 @@ static int __init snirm710_probe(struct platform_device *dev)
        base = res->start;
        hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
        if (!hostdata) {
-               printk(KERN_ERR "%s: Failed to allocate host data\n",
-                      dev->dev.bus_id);
+               dev_printk(KERN_ERR, dev, "Failed to allocate host data\n");
                return -ENOMEM;
        }
 
diff --git a/drivers/scsi/zalon.c b/drivers/scsi/zalon.c
index 3c4a300..a8d61a6 100644
--- a/drivers/scsi/zalon.c
+++ b/drivers/scsi/zalon.c
@@ -137,8 +137,8 @@ zalon_probe(struct parisc_device *dev)
                goto fail;
 
        if (request_irq(dev->irq, ncr53c8xx_intr, IRQF_SHARED, "zalon", host)) {
-               printk(KERN_ERR "%s: irq problem with %d, detaching\n ",
-                       dev->dev.bus_id, dev->irq);
+         dev_printk(KERN_ERR, dev, "irq problem with %d, detaching\n ",
+                    dev->irq);
                goto fail;
        }
 
-- 
1.5.6.6




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